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            Summary of Charpy and Dynamic Tear Testing of Bolster Samples
      

      
  Document Series
              Research Results


      
  Author
          Federal Railroad Administration


      
Report Number
              RR 23-12

  Office
              RDI-22


      Subject
                    Rolling Stock


      
  Keywords
              Charpy, dynamic tear, bolster, side frame, brittle failure


      

      
      
              
                  
      
              
  Document
              Charpy and Dynamic Tear Testing.pdf (364.14 KB)

      
              The Federal Railroad Administration (FRA) collaborates with the Association of American Railroads’ (AAR) Coupling System and Truck Castings Committee and Transportation Technology Center, Inc. to investigate possible solutions to early-life failures of railcar side frames and bolsters.
      
            
      
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              Last updated: Monday, August 21, 2023 U.S. DEPARTMENT OF TRANSPORTATION

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